Where would you go after Wilson WP7?


I have the Wilson WP7's paired with Krell 300MCX monos, Krell Home Theater Standard 7.1, Velodyne 18 with SMS-1. I am sure the good folks here would have some opinions on an upgrade, what would you do or just be happy?

My room is small 9' wide, 8.5' ceiling, 16' long. Room may have a tad more sound treatment than needed but at high SPL works very well.

Likes: I prefer concert level volumes appropriate to the music. To that end the system has very fast, tight bass. Actually its really good. No distorsion at 103Dbs. Good to very good imaging.

Cons: Highs are bright or hot. very directional so very small sweet spot.

Can anther speaker sound better given the smallish room?

Thanks!
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I think auditioning a new per-amp is a prudent choice. Certainly the least on the wallet. I have always admired ARC , as i did the original Krell amps. Will give that a go first then if not satisfied go for another full range speaker. Auditioning speakers is a tough proposition when there are no high end stores any more. No one in Atlanta carries ARC, there is Classe and Mac. any opinion on these, I do admire Mac.
The best Wilson setups I've heard were driven by VTL, ARC, or D'Agostino electronics through Transparent (Opus) cable.
Hey guys what do I know, 25 years professional experience, gained at two of NYC biggest dealers.
yes we are impressed...

the OPs question was "Can anther speaker sound better given the smallish room?"
Don't worry about audiooracle he is a New Jersey audio dealer who is condescending to everyone. His lack of respect for others is remarkable.